安全技术数据(国外英文资料).doc

安全技术数据(国外英文资料) The minimum illumination should not be less than 0.5lx. Emergency lighting and light evacuation signs can be used as reserve power for batteries, and the continuous power supply time shall not be less than 20 min; buildings with a height exceeding l00m shall not be less than 30 min in continuous power supply time. In case of fire, when the normal lighting power is cut off, it should be automatically switched to emergency power supply in 5S. 12. building fire extinguishers, scope of application, classification of dangerous places Water type, foam, ammonium phosphate dry powder and halon type fire extinguisher should be selected for fighting a fire. Fire extinguishing powder, foam, halogenated alkane and carbon dioxide fire extinguisher should be selected for fighting B fire. Chemical foam fire extinguisher shall not be used for extinguishing polar solvent B fire. Fire extinguishing powder, halogenated alkane, carbon dioxide and dry powder fire extinguisher should be selected for fighting C fire. For extinguishing A, B, C and live fire, ammonium phosphate dry powder and halon fire extinguisher should be selected. Fire fighting equipment for D fire fighting shall be settled through consultation between the design department and the local public security supervision department. Dangerous places are classified into serious danger grade, middle danger level and light dangerous level 13. portable fire extinguishers should be installed on the hook, bracket or extinguisher box. The top shall be less than 1.50 m from the ground, and the height of the ground from the ground shall not be less than 0.15 M. Influence of initial pressure on the 14. gas explosion limit is relatively complex, in 0.1 to 2 under the pressure of MPa, has little effect on the lower explosion limit, a greater impact on the explosion limit; when more than 2 MPa, the explosion limit decreases, explosion limit becomes large, expanding the scope of explosion. 15. explosion proof of electrical